20789418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1489}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 45057600

約数和(自身を除く): 24268182

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 179, 358, 537, 1074, 1489, 2327, 2978, 4467, 4654, 6981, 8934, 13962, 19357, 38714, 58071, 116142, 266531, 533062, 799593, 1599186, 3464903, 6929806, 10394709, 20789418]

約数ペア:

[(1, 20789418), (2, 10394709), (3, 6929806), (6, 3464903), (13, 1599186), (26, 799593), (39, 533062), (78, 266531), (179, 116142), (358, 58071), (537, 38714), (1074, 19357), (1489, 13962), (2327, 8934), (2978, 6981), (4467, 4654)]